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87 lines
2.6 KiB
87 lines
2.6 KiB
/* |
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* Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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#ifndef RDMA_USER_IOCTL_CMDS_H |
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#define RDMA_USER_IOCTL_CMDS_H |
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#include <linux/types.h> |
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#include <linux/ioctl.h> |
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/* Documentation/userspace-api/ioctl/ioctl-number.rst */ |
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#define RDMA_IOCTL_MAGIC 0x1b |
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#define RDMA_VERBS_IOCTL \ |
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_IOWR(RDMA_IOCTL_MAGIC, 1, struct ib_uverbs_ioctl_hdr) |
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enum { |
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/* User input */ |
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UVERBS_ATTR_F_MANDATORY = 1U << 0, |
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/* |
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* Valid output bit should be ignored and considered set in |
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* mandatory fields. This bit is kernel output. |
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*/ |
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UVERBS_ATTR_F_VALID_OUTPUT = 1U << 1, |
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}; |
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struct ib_uverbs_attr { |
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__u16 attr_id; /* command specific type attribute */ |
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__u16 len; /* only for pointers and IDRs array */ |
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__u16 flags; /* combination of UVERBS_ATTR_F_XXXX */ |
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union { |
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struct { |
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__u8 elem_id; |
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__u8 reserved; |
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} enum_data; |
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__u16 reserved; |
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} attr_data; |
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union { |
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/* |
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* ptr to command, inline data, idr/fd or |
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* ptr to __u32 array of IDRs |
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*/ |
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__aligned_u64 data; |
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/* Used by FD_IN and FD_OUT */ |
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__s64 data_s64; |
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}; |
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}; |
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struct ib_uverbs_ioctl_hdr { |
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__u16 length; |
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__u16 object_id; |
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__u16 method_id; |
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__u16 num_attrs; |
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__aligned_u64 reserved1; |
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__u32 driver_id; |
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__u32 reserved2; |
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struct ib_uverbs_attr attrs[]; |
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}; |
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#endif
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